Malumfashi Local Government Area in Katsina State uses postal codes is 832101.
Here are the postal codes for the towns and districts in Malumfashi:
| Place/Ares | Postal code |
| Tashar Ali | 832101 |
| Tashar Fulani | 832101 |
| Wanzamai | 832101 |
| Ya-Kwakare | 832101 |
| Yaba | 832101 |
| Yan Mama | 832101 |
| Yan-Janku | 832101 |
| Yan-Mama | 832101 |
| Yar Tashi | 832101 |
| Yaro | 832101 |
| Zamzago | 832101 |
| Rereji | 832101 |
| Ruwan Sanyi | 832101 |
| Sabon Gari | 832101 |
| Salihawa | 832101 |
| Agagiwa | 832101 |
| Kuringaja | 832101 |
| Allah Madagara | 832101 |
| Kurmin Gafa | 832101 |
| Almakiyayi | 832101 |
| Kurmin Yan Daddawa | 832101 |
| Birin Dawa | 832101 |
| Lamintani | 832101 |
| Dan-Sarai | 832101 |
| Layin Ministra | 832101 |
| Dayi | 832101 |
| M-Kankara | 832101 |
| Dinyar Makeri | 832101 |
| Makaurachi | 832101 |
| Dogon Marke | 832101 |
| Malumfashi A | 832101 |
| Fanisau | 832101 |
| Malumfashi B | 832101 |
| Gamzaga | 832101 |
| Marmara | 832101 |
| Gandum Karfi | 832101 |
| Na-Alama | 832101 |
| Gangara | 832101 |
| Na-alma | 832101 |
| Gora | 832101 |
| Gorar-Dansaka | 832101 |
| Gwanamarde | 832101 |
| Karfi | 832101 |